CN209896354U

CN209896354U - Photovoltaic system is with high-efficient safe cloth termination

Info

Publication number: CN209896354U
Application number: CN201920650759.2U
Authority: CN
Inventors: 赖城中; 郑衍增
Original assignee: Fujian Guangbo Solar Power Technology Co Ltd
Current assignee: Fujian Guangbo Solar Power Technology Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-03
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a photovoltaic system is with high-efficient safe cloth termination, including connecting sheath, screw, cover mother, terminal and photovoltaic cable, connecting sheath's inside center is provided with first hole, screw and the second of accomodating respectively and accomodates the hole, and the second accomodates the hole site inside the bottom of connecting sheath, the screw is located the second and accomodates the top in hole, and the top of screw is provided with the first hole of accomodating, the outside that the hole was accomodate to the second is provided with first spacing groove, and first spacing groove is seted up on the inner wall of connecting sheath. This photovoltaic system is with high-efficient safe wiring device carries out threaded connection with the screw with the inside that fixed sleeve slided into the second and accomodate the hole and carries out fixed work, and the shell fragment on the fixed sleeve is accomodate the inside that the groove aligns back bullet advances first spacing groove with the second and is carried out spacing work simultaneously, avoids follow-up fixed sleeve to take place not hard up phenomenon, has increased the stability of connecting sheath and terminal connection.

Description

Photovoltaic system is with high-efficient safe cloth termination

Technical Field

The utility model relates to a photovoltaic system technical field specifically is a photovoltaic system is with high-efficient safe cloth termination.

Background

The photovoltaic system is a photovoltaic power supply system, and is divided finely mainly according to the application form, application scale and type of load of the photovoltaic system, and a wiring device is required to be used in the assembly process of the photovoltaic system.

Common wiring device in the existing market carries out the during operation of assembling with the end of photovoltaic cable, generally carries out fixed work through the screw thread rotation, in follow-up use, produces not hard up phenomenon easily to reduced the security of using, and be unfavorable for follow-up dismantlement work to this wiring device, to above-mentioned problem, carry out the innovative design on original wiring device's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic system is with high-efficient safe cloth termination to solve common cloth termination on the existing market that proposes in the above-mentioned background art, when carrying out the during operation of assembling with the end of photovoltaic cable, generally fix the work through the screw thread rotation, in follow-up use, produce not hard up phenomenon easily, thereby reduced the security of use, and be unfavorable for follow-up problem to this cloth termination's dismantlement work.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency and safe wiring device for a photovoltaic system comprises a connecting sheath, a screw hole, a sleeve nut, a terminal and a photovoltaic cable, wherein the inner center of the connecting sheath is respectively provided with a first accommodating hole, a screw hole and a second accommodating hole, the second accommodating hole is positioned in the bottom end of the connecting sheath, the screw hole is positioned above the second accommodating hole, the first accommodating hole is arranged above the screw hole, the first limiting groove is arranged on the outer side of the second accommodating hole and is arranged on the inner wall of the connecting sheath, the first limiting groove is connected with the second limiting groove in an interconnecting way, the second limiting groove is arranged on the outer surface of the connecting sheath, a push plate is arranged in the second limiting groove and penetrates through the second limiting groove and the first accommodating groove, the first accommodating groove is arranged on the inner wall of the connecting sleeve, and the connecting sleeve is positioned on the outer side of the bottom end of the connecting sheath, the first internally mounted who accomodates the groove has a coupling spring, and coupling spring and push pedal fixed connection, the female setting of cover is at coupling sleeve's top surface, and overlaps female threaded mounting at the surface of connecting the sheath, the first internally mounted who accomodates the hole has the terminal, and the terminal crimping is at the surface of photovoltaic cable to the bottom surface of terminal is provided with fixed sleeve, the second has been seted up in fixed sleeve's the outside and has been accomodate the groove, and the second internally mounted who accomodates the groove has the shell fragment to the top of shell fragment and fixed sleeve's inner wall fixed connection.

Preferably, the number of the push plates is 2, the 2 push plates are symmetrically distributed about the longitudinal center line of the connecting sleeve, and the tail ends of the push plates are of inclined structures.

Preferably, the push plate forms a sliding structure with the connecting sheath through the second limiting groove, and the push plate forms a telescopic structure with the connecting sleeve through the first accommodating groove and the connecting spring, and the connecting sleeve and the sleeve nut form a rotating structure.

Preferably, the terminal and the connecting sheath form a sliding structure through the first accommodating hole, and the terminal and the fixing sleeve are of an integrated structure.

Preferably, the outer surface of the top end of the fixing sleeve is of a thread structure, the fixing sleeve forms a sliding structure with the connecting sheath through the second accommodating hole, and the diameter of the second accommodating hole is larger than that of the screw hole.

Preferably, the elastic sheet protrudes out of the outer surface of the fixing sleeve, and the width of the elastic sheet is smaller than that of the push plate.

Compared with the prior art, the beneficial effects of the utility model are that: the high-efficiency and safe wiring device for the photovoltaic system,

1. firstly, the fixing sleeve slides into the second accommodating hole to be in threaded connection with the screw hole for fixing, and meanwhile, the elastic sheet on the fixing sleeve is aligned with the second accommodating groove and then is bounced into the first limiting groove for limiting, so that the phenomenon of loosening of the subsequent fixing sleeve is avoided, and the connection stability of the connecting sheath and the terminal is improved;

2. the push plate is in contact with the elastic sheet through sliding and then is extruded, so that the elastic sheet is accommodated into the second accommodating groove and separated from the first limiting groove, and subsequent workers can conveniently rotate and take out the terminal and the fixing sleeve;

3. staff's accessible is to the rotation of cover mother, makes cover mother drive connecting sleeve and push pedal carry out gliding work, and cover mother rotates on connecting sleeve simultaneously, avoids connecting sleeve to take place rotatory phenomenon.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the connection sleeve and the connection sheath according to the present invention;

fig. 4 is a schematic view of the bottom-view connection structure of the fixing sleeve and the terminal of the present invention.

In the figure: 1. connecting a sheath; 2. a first receiving hole; 3. a screw hole; 4. a second receiving hole; 5. a first limit groove; 6. a second limit groove; 7. pushing the plate; 8. a first receiving groove; 9. a connecting sleeve; 10. a connecting spring; 11. sleeving a nut; 12. a terminal; 13. a photovoltaic cable; 14. fixing the sleeve; 15. a second receiving groove; 16. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency safe wiring device for a photovoltaic system comprises a connecting sheath 1, a screw hole 3, a sleeve nut 11, a terminal 12 and a photovoltaic cable 13, wherein the inner center of the connecting sheath 1 is respectively provided with a first accommodating hole 2, a screw hole 3 and a second accommodating hole 4, the second accommodating hole 4 is positioned inside the bottom end of the connecting sheath 1, the screw hole 3 is positioned above the second accommodating hole 4, the first accommodating hole 2 is arranged above the screw hole 3, the outer side of the second accommodating hole 4 is provided with a first limiting groove 5, the first limiting groove 5 is arranged on the inner wall of the connecting sheath 1, the first limiting groove 5 is connected with a second limiting groove 6, the second limiting groove 6 is arranged on the outer surface of the connecting sheath 1, the push plate 7 is arranged inside the second limiting groove 6, the push plate 7 penetrates through the second limiting groove 6 to be connected with the first accommodating groove 8, the first accommodating groove 8 is arranged on the inner wall of a connecting sleeve 9, the connecting sleeve 9 is positioned on the outer side of the bottom end of the connecting sheath 1, the connecting spring 10 is installed inside the first accommodating groove 8, the connecting spring 10 is fixedly connected with the push plate 7, the sleeve nut 11 is arranged on the top surface of the connecting sleeve 9, the sleeve nut 11 is installed on the outer surface of the connecting sheath 1 in a threaded mode, the terminal 12 is installed inside the first accommodating hole 2, the terminal 12 is in crimping connection with the outer surface of the photovoltaic cable 13, the fixing sleeve 14 is arranged on the outer surface of the bottom end of the terminal 12, the second accommodating groove 15 is formed in the outer side of the fixing sleeve 14, the elastic sheet 16 is installed inside the second accommodating groove 15, and the top end of the elastic sheet 16 is fixedly connected with the inner wall of the fixing sleeve 14;

the number of the push plates 7 is 2, the 2 push plates 7 are symmetrically distributed about the longitudinal center line of the connecting sleeve 9, the tail ends of the push plates 7 are of an inclined structure, the push plates 7 can push the 2 elastic sheets 16 at the same time, and meanwhile, the inclined surfaces of the push plates 7 can facilitate the push plates 7 to retract;

the push plate 7 and the connecting sheath 1 form a sliding structure through the second limiting groove 6, the push plate 7 and the connecting sleeve 9 form a telescopic structure through the first accommodating groove 8 and the connecting spring 10, the connecting sleeve 9 and the sleeve nut 11 form a rotating structure, the push plate 7 can slide in the second limiting groove 6 conveniently, the push plate 7 and the elastic sheet 16 can be conveniently contacted and extruded by pushing the push plate 7 through the connecting spring 10, and the elasticity of the connecting spring 10 is greater than the elasticity of the elastic sheet 16;

the terminal 12 and the connecting sheath 1 form a sliding structure through the first accommodating hole 2, and the terminal 12 and the fixing sleeve 14 are of an integrated structure, so that the terminal 12 drives the fixing sleeve 14 to move, and meanwhile, the terminal 12 is conveniently and fixedly installed in the connecting sheath 1 through fixing the fixing sleeve 14;

the outer surface of the top end of the fixing sleeve 14 is of a threaded structure, the fixing sleeve 14 and the connecting sheath 1 form a sliding structure through the second accommodating hole 4, and the diameter of the second accommodating hole 4 is larger than that of the screw hole 3, so that the fixing sleeve 14 can be in threaded connection with the screw hole 3 after sliding into the second accommodating hole 4, and the position of the fixing sleeve 14 can be fixed;

the elastic sheet 16 protrudes out of the outer surface of the fixing sleeve 14, and the width of the elastic sheet 16 is smaller than that of the push plate 7, so that the elastic sheet 16 can be elastically pushed into the first limiting groove 5 to perform limiting work after being aligned with the first limiting groove 5.

The working principle is as follows: according to fig. 1 and 3-4, firstly, the terminal 12 is pressed and connected to the end of the photovoltaic cable 13 for fixing, then the terminal 12 is slid into the first receiving hole 2, the first receiving hole 2 drives the fixing sleeve 14 to slide into the second receiving hole 4, so that the top end of the fixing sleeve 14 is contacted with the screw hole 3, then the terminal 12 is rotated, the terminal 12 drives the top end of the fixing sleeve 14 to be screwed into the screw hole 3 for threaded connection, so that the top end of the terminal 12 is connected with the interface inside the connecting sheath 1, meanwhile, during the rotating movement of the fixing sleeve 14, the elastic sheet 16 on the fixing sleeve 14 is contacted and extruded with the connecting sheath 1, so that the elastic sheet 16 is slid into the second receiving groove 15, when the elastic sheet 16 is aligned with the first limiting groove 5, the elastic sheet 16 is restored to the initial position through the elasticity of itself, so that the elastic sheet 16 slides into the first limiting groove 5 to fix the position;

according to fig. 1-4, when the terminal 12 needs to be taken out, the sleeve nut 11 is manually rotated to make the sleeve nut 11 rotate and move downwards at the outer side of the connecting sheath 1, so that the sleeve nut 11 drives the connecting sleeve 9 to move downwards, meanwhile, the sleeve nut 11 rotates on the connecting sleeve 9, then the connecting sleeve 9 drives the push plate 7 to slide in the second limiting groove 6, the push plate 7 slides into the first limiting groove 5 to push the elastic sheet 16, so that the elastic sheet 16 is retracted into the second accommodating groove 15, meanwhile, the push plate 7 slides outwards in the first accommodating groove 8 through the elasticity of the connecting spring 10, which is convenient for the push plate 7 to push the elastic sheet 16, then, the photovoltaic cable 13 is manually rotated to make the photovoltaic cable 13 drive the fixing sleeve 14 to rotate and take out through the terminal 12, which is the working process of the whole device, and those not described in detail in this specification are well within the skill of those in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic system is with high-efficient safe wiring device, includes connecting sheath (1), screw (3), cover mother (11), terminal (12) and photovoltaic cable (13), its characterized in that: the inner center of the connecting sheath (1) is respectively provided with a first accommodating hole (2), a screw hole (3) and a second accommodating hole (4), the second accommodating hole (4) is positioned inside the bottom end of the connecting sheath (1), the screw hole (3) is positioned above the second accommodating hole (4), the first accommodating hole (2) is arranged above the screw hole (3), the outer side of the second accommodating hole (4) is provided with a first limiting groove (5), the first limiting groove (5) is arranged on the inner wall of the connecting sheath (1), the first limiting groove (5) is connected with the second limiting groove (6) in an interconnecting way, the second limiting groove (6) is arranged on the outer surface of the connecting sheath (1), the inner part of the second limiting groove (6) is provided with a push plate (7), and the push plate (7) passes through the second limiting groove (6) to be connected with the first accommodating groove (8) in an interconnecting way, the first accommodating groove (8) is formed in the inner wall of the connecting sleeve (9), the connecting sleeve (9) is located on the outer side of the bottom end of the connecting sheath (1), the connecting spring (10) is installed inside the first accommodating groove (8), the connecting spring (10) is fixedly connected with the push plate (7), the sleeve nut (11) is arranged on the top surface of the connecting sleeve (9), the sleeve nut (11) is arranged on the outer surface of the connecting sheath (1) in a threaded manner, the terminal (12) is arranged in the first accommodating hole (2), the terminal (12) is pressed on the outer surface of the photovoltaic cable (13), and the outer surface of the bottom end of the terminal (12) is provided with a fixed sleeve (14), the outer side of the fixed sleeve (14) is provided with a second accommodating groove (15), the inside of the second accommodating groove (15) is provided with an elastic sheet (16), and the top end of the elastic sheet (16) is fixedly connected with the inner wall of the fixed sleeve (14).

2. An efficient and safe wiring device for a photovoltaic system as set forth in claim 1, wherein: the number of the push plates (7) is 2, the 2 push plates (7) are symmetrically distributed about the longitudinal central line of the connecting sleeve (9), and the tail ends of the push plates (7) are of inclined structures.

3. An efficient and safe wiring device for a photovoltaic system as set forth in claim 1, wherein: the push plate (7) forms a sliding structure with the connecting sheath (1) through the second limiting groove (6), the push plate (7) forms a telescopic structure with the connecting sleeve (9) through the first accommodating groove (8) and the connecting spring (10), and the connecting sleeve (9) and the sleeve nut (11) form a rotating structure.

4. An efficient and safe wiring device for a photovoltaic system as set forth in claim 1, wherein: the terminal (12) and the connecting sheath (1) form a sliding structure through the first accommodating hole (2), and the terminal (12) and the fixing sleeve (14) are of an integrated structure.

5. An efficient and safe wiring device for a photovoltaic system as set forth in claim 1, wherein: the outer surface of the top end of the fixing sleeve (14) is of a thread-shaped structure, the fixing sleeve (14) forms a sliding structure with the connecting sheath (1) through the second accommodating hole (4), and the diameter of the second accommodating hole (4) is larger than that of the screw hole (3).

6. An efficient and safe wiring device for a photovoltaic system as set forth in claim 1, wherein: the elastic sheet (16) protrudes out of the outer surface of the fixed sleeve (14), and the width of the elastic sheet (16) is smaller than that of the push plate (7).